Which vitamin deficiency can possibly lead to permanent blindness?

A. vitamin A

B. vitamin B6

C. vitamin C

D. vitamin D

List two positives uses for bacteria.

9) Carol and Joseph have freckles and curly red hair. All of their children, except one, also have freckles and curly red hair.

What occurs to the cell during mitosis? The cell divides. DNA is duplicated. Two daughter cells are formed. Chromosomes are duplicated.

This is a is a natural substance that cannot be re-made, re-grown, or regenerated as fast as it is used.

When a white-eyed male fruit fly mates with a red-eyed female fruit fly, which of these will be most likely to occur? A. all daughters will have white eyes B. all offspring will have red eyes C. all offspring will have white eyes D.

Examples of archaebacteria examples of archaebacteria

What are the basic units of most biomolecules contain

What is alwasy true about a binary bond

Which of these examples demonstrates metabolism? A. A person eats a large dinner for digestion and energy. B. A human's skin has the ability to tan in the sun. C. A person puts on socks because his feet are cold. D.

What structure in the fetal heart allows for mixing of blood between the two atria?